Isle Royale Rainfall Forecast

Today 6 Jul
20%
Mon 7 Jul
No Rain
Tue 8 Jul
60%
Wed 9 Jul
5%
Thu 10 Jul
5%
Fri 11 Jul
45%
Sat 12 Jul
40%

Isle Royale Rainfall Statistics

July Rainfall

Copper Harbor (58.4 miles)

Total Rainfall 2025
11.6in
Daily Average 2025
0.1in
Wettest Day 27 June, 2025
0.9in
Wet Days 2025
75/187 (40%)
Total Rainfall June
1.9in
Daily Average June
0.1in
Wettest Day 27 June, 2025
0.9in
Wet Days June
7/30 (23%)
Total Rainfall July
0in
Daily Average July
0in
Wettest Day 1 July, 2025
0in
Wet Days July
–

Climate (2010–Present)

Copper Harbor (58.4 miles)

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Annual Average 2020–2024
26.8in
Monthly Average 2020–2025
2.3in
Daily Average 2020–2025
0.1in
Wettest Day 23 July, 2021
2.7in

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